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What does the suffix 1127 indicate on a legacy circuit breaker?

Issue:
Need to know what accessory is designated by suffix 1127 on a molded case breaker.

Product line:
Molded case circuit breakers

Resolution:
A circuit breaker with an 1127 suffix has a 24 Vdc undervoltage release (UVR) in the left pole. Suffix 1107 would have the UVR in the right pole.

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